 /*******************************************************************************
  * Copyright (c) 2005, 2007 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.core.databinding.validation;

 import org.eclipse.core.runtime.IStatus;

 /**
  * A validator. This validator is responsible for determining if a given value
  * is valid. Validators can be used on target or model values. For example, a
  * String2IntValidator would only accept source Strings that can successfully be
  * converted to an integer value, and a PositiveIntegerValidator would only
  * accept positive integers.
  *
  * @since 1.0
  *
  */
 public interface IValidator {

     /**
      * Determines if the given value is valid.
      *
      * @param value
      * the value to validate
      * @return a status object indicating whether the validation succeeded
      * {@link IStatus#isOK()} or not. Never null.
      */
     public IStatus validate(Object value);
     
 }

